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-   -   no compression (https://volvoforums.com/forum/volvo-850-16/no-compression-2357/)

wholesale boxes Aug 16, 2005 05:33 PM

no compression
 
i went to start my car, it started and shut right off. cranks like the timing belt went. i pulled the cover and the timing marks are all on. it cranks like it has no compression or the belt let loose. double checked the marks and all 3 are where they should be. any ideas? thanks for the help. chuck

tech Aug 16, 2005 10:54 PM

RE: no compression
 
Can you see the cams turning when the engine is cranked?

wholesale boxes Aug 16, 2005 11:01 PM

RE: no compression
 
they both turn and does the crank. belt has tension on it. made a couple of turns and the marks still line up. i have been a ford mech for many years but i have never seen anything like this. plugs are dry ( no hydra lock ) just stoped after a couple of seconds now it sounds like its out of time. piston is tdc when the marks are lined up. thanks chuck

tech Aug 16, 2005 11:18 PM

RE: no compression
 
How long did you crank it for?

Once in a while the lifters will bleed down.The fix for that is to put the gas pedal to the floor and turn the key on and crank it for a while and see if it starts.

You have fuel and spark correct?

wholesale boxes Aug 16, 2005 11:50 PM

RE: no compression
 
it has spark and fuel. it cranks like there is not a spark plug in it . i drove it a couple of days ago and it ran fine. went to pull it into my shop to check it over ( now that i am retired i sell used volvos ) and it started and ran for about 2 seconds and then nothing. sounded like it blew a belt so i puled the cover and checked the marks. i have instaled alot of timing belts on 5cyl volvos . this ones got me ???. need to do a compression test in the am . thanks again chuck

tech Aug 17, 2005 12:12 AM

RE: no compression
 
Let me know how it goes.

Sounds funny to me as well.


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